CAM in Veterans With Gulf War Illnesses

The MCS is comprised of questions about role-emotional, vitality/mental health and social functioning. Scores are standardized using a t-score transformation and normed to a U.S. population (based on a 1990 norm) of a score of 50 and a standard deviation of 10 where higher scores indicate better health outcomes.

The PCS provides emphasis on questions about general health, physical functioning and role playing and bodily pain. Scores are standardized using a t-score transformation and normed to a U.S. population (based on a 1990 norm) of a score of 50 and a standard deviation of 10 where higher scores indicate better health outcomes.

An eight-item self-reported pain instrument designed at the National Institutes of Health (NIH) to measure the extent to which pain interferes with involvement in cognitive, emotional, physical, recreational, and social activities. Higher scores represent greater symptom severity. Range from 0 - 32.

An 8-item NIH instrument consisting of eight items that asks about the experience and impact of fatigue. Higher scores represent greater symptom severity. Range from 0 - 32.

The SF-MPQ-2 measures continuous pain, intermittent pain, predominantly neuropathic pain, and affective descriptors. Higher scores indicate greater pain. Symptomatic pain on scale from 0 - 45.

The MFSI is a 30-item measurement tool that assesses the multidimensional nature of fatigue across five domains: general fatigue, physical fatigue, emotional fatigue, mental fatigue, and vigor. The range is from 24 to 96 with a higher score indicating higher levels of fatigue.

The items were selected from the 18 item Neuro-QOL Bank v1.0 - Applied Cognition - General Concerns. Scores range from 1 (very often) to 5 (none) for each cognitive symptom. Higher scores indicate better cognitive function. Range from 18 - 90.

The PHQ is a 9-item questionnaire, used to assess symptoms and functional impairment of depression to derive an overall severity score and a tentative depression diagnosis. Each item score ranges from 0-3 with higher scores indicating more severe depressive symptoms. Range from 0 - 27.

The PCL-C is a 17-item self-report checklist of PTSD symptoms based closely on the DSM-IV criteria with a range of 17-85. Higher scores indicate greater symptom expression.

The PSS is a 10-item scale that measures the degree to which situations in one's life over the past month are appraised as unpredictable, uncontrollable and overwhelming. Scores range from 0 to 40 with higher scores indicating higher perceived stress.

The Brief Symptom Inventory is a 53-item self-report inventory in which participants rate the extent to which they have been bothered (0 ="not at all" to 4="extremely") in the past week by various symptoms. Each subscale is averaged for all items, whereby a score of 4 would indicate the highest possible score.